197436 has 12 divisors (see below), whose sum is σ = 460712. Its totient is φ = 65808.

The previous prime is 197423. The next prime is 197441. The reversal of 197436 is 634791.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a nialpdrome in base 12.

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8215 + ... + 8238.

2¹⁹⁷⁴³⁶ is an apocalyptic number.

It is an amenable number.

197436 is an abundant number, since it is smaller than the sum of its proper divisors (263276).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

197436 is a wasteful number, since it uses less digits than its factorization.

197436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16460 (or 16458 counting only the distinct ones).

The product of its digits is 4536, while the sum is 30.

The square root of 197436 is about 444.3377094058. The cubic root of 197436 is about 58.2293731114.

The spelling of 197436 in words is "one hundred ninety-seven thousand, four hundred thirty-six".